IndividualActive
Harry Duncan, MD
NPI 1780692277 · Gastroenterology Physician · Charleston, WV
Harry Duncan, MD is a Gastroenterology Physician provider in Charleston, WV (NPI 1780692277).
Provider details
- NPI number
- 1780692277
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 10533 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
3100 Maccorkle Avenue
Suite 509
Charleston, WV 25304-1226
Phone: (304) 342-0821
Fax: (304) 345-6679
Approximate (ZIP-level) locationGet directions
Mailing address
3100 Maccorkle Avenue
Charleston, WV 25304-1226
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harry Duncan's NPI number?
- Harry Duncan's National Provider Identifier (NPI) is 1780692277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Duncan's specialty?
- Harry Duncan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Duncan located?
- Harry Duncan's practice location on file with NPPES is 3100 Maccorkle Avenue, Charleston, WV 25304-1226.
- What is Harry Duncan's phone number?
- The practice phone number listed in the NPPES registry for Harry Duncan is (304) 342-0821.
- Is Harry Duncan's NPI active?
- Yes — Harry Duncan's NPI (1780692277) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.